From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Simmons Date: Wed, 1 Jul 2020 20:04:49 -0400 Subject: [lustre-devel] [PATCH 09/18] lustre: llite: bind kthread thread to accepted node set In-Reply-To: <1593648298-10571-1-git-send-email-jsimmons@infradead.org> References: <1593648298-10571-1-git-send-email-jsimmons@infradead.org> Message-ID: <1593648298-10571-10-git-send-email-jsimmons@infradead.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lustre-devel@lists.lustre.org Bind both the agl and statahead kernel threads to a node that is apart of the cpt table that Lustre use. This limits the polluting of the cache of HPC applications. WC-bug-id: https://jira.whamcloud.com/browse/LU-9441 Lustre-commit: d6e103e6950d9 ("LU-9441 llite: bind kthread thread to accepted node set") Signed-off-by: James Simmons Reviewed-on: https://review.whamcloud.com/38730 Reviewed-by: Yang Sheng Reviewed-by: Andreas Dilger Reviewed-by: Oleg Drokin --- fs/lustre/llite/statahead.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/fs/lustre/llite/statahead.c b/fs/lustre/llite/statahead.c index fb25520..895e496 100644 --- a/fs/lustre/llite/statahead.c +++ b/fs/lustre/llite/statahead.c @@ -39,6 +39,7 @@ #define DEBUG_SUBSYSTEM S_LLITE +#include #include #include #include "llite_internal.h" @@ -954,6 +955,7 @@ static void ll_stop_agl(struct ll_statahead_info *sai) /* start agl thread */ static void ll_start_agl(struct dentry *parent, struct ll_statahead_info *sai) { + int node = cfs_cpt_spread_node(cfs_cpt_tab, CFS_CPT_ANY); struct ll_inode_info *plli; struct task_struct *task; @@ -961,8 +963,8 @@ static void ll_start_agl(struct dentry *parent, struct ll_statahead_info *sai) sai, parent); plli = ll_i2info(d_inode(parent)); - task = kthread_create(ll_agl_thread, parent, "ll_agl_%u", - plli->lli_opendir_pid); + task = kthread_create_on_node(ll_agl_thread, parent, node, "ll_agl_%u", + plli->lli_opendir_pid); if (IS_ERR(task)) { CERROR("can't start ll_agl thread, rc: %ld\n", PTR_ERR(task)); sai->sai_agl_valid = 0; @@ -1535,6 +1537,7 @@ static int revalidate_statahead_dentry(struct inode *dir, static int start_statahead_thread(struct inode *dir, struct dentry *dentry, bool agl) { + int node = cfs_cpt_spread_node(cfs_cpt_tab, CFS_CPT_ANY); struct ll_inode_info *lli = ll_i2info(dir); struct ll_statahead_info *sai = NULL; struct task_struct *task; @@ -1586,8 +1589,8 @@ static int start_statahead_thread(struct inode *dir, struct dentry *dentry, CDEBUG(D_READA, "start statahead thread: [pid %d] [parent %pd]\n", current->pid, parent); - task = kthread_create(ll_statahead_thread, parent, "ll_sa_%u", - lli->lli_opendir_pid); + task = kthread_create_on_node(ll_statahead_thread, parent, node, + "ll_sa_%u", lli->lli_opendir_pid); if (IS_ERR(task)) { spin_lock(&lli->lli_sa_lock); lli->lli_sai = NULL; -- 1.8.3.1